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Intel Pentium 3805U

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Front view of Intel Pentium 3805U

Differences What are the advantages of each

Front view of Intel Pentium 3805U

Reasons to consider the
Intel Pentium 3805U

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Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better geekbench 3 single core score 1,780 vs 924 Around 95% better geekbench 3 single core score
More number of displays supported 3 vs 2 1 more number of displays supported
Significantly better performance per watt 8.21 pt/W vs 4.27 pt/W More than 90% better performance per watt
Better performance per dollar 0.76 pt/$ vs 0.52 pt/$ More than 45% better performance per dollar
Newer Jan, 2015 vs Oct, 2013 Release date over 1 years later
Front view of Intel Celeron J1900

Reasons to consider the
Intel Celeron J1900

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher GPU clock speed 688 MHz vs 100 MHz Around 7x higher GPU clock speed
More cores 4 vs 2 Twice as many cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better turbo clock speed 854 MHz vs 800 MHz More than 5% better turbo clock speed
Better overclocked clock speed (Air) 2.42 GHz vs 1.92 GHz More than 25% better overclocked clock speed (Air)
More threads 4 vs 2 Twice as many threads
Slightly lower typical power consumption 8.13W vs 12.19W Around 35% lower typical power consumption
Better overclocked clock speed (Water) 2.42 GHz vs 1.9 GHz More than 25% better overclocked clock speed (Water)
Slightly lower annual home energy cost 2.41 $/year vs 3.61 $/year Around 35% lower annual home energy cost
Slightly lower annual commercial energy cost 8.76 $/year vs 13.14 $/year Around 35% lower annual commercial energy cost

Benchmarks Real world tests of Pentium 3805U vs Celeron J1900

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium 3805U
114,600 MB/s
Celeron J1900
56,900 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium 3805U  vs
Celeron J1900 
Clock speed 1.9 GHz 2 GHz
Cores Dual core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes Yes

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 3 2
GPU clock speed 100 MHz 688 MHz
Turbo clock speed 800 MHz 854 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Maximum memory size 16,384 MB 8,192 MB

details

Pentium 3805U  vs
Celeron J1900 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 1.92 GHz 2.42 GHz
Overclocked clock speed (Water) 1.9 GHz 2.42 GHz
Overclocked clock speed (Air) 1.92 GHz 2.42 GHz

power consumption

TDP 15W 10W
Annual home energy cost 3.61 $/year 2.41 $/year
Annual commercial energy cost 13.14 $/year 8.76 $/year
Performance per watt 8.21 pt/W 4.27 pt/W
Typical power consumption 12.19W 8.13W

bus

Architecture DMI 2.0 FSB
Number of links 1 1
Intel Pentium 3805U
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Intel Celeron J1900
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